3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = NULL; $y = NULL; $z = 3; $result = !empty($x) ? $x : (!empty($y) ? $y : (!empty($z) ? $z : 'empty')); echo $result . "\n"; $result2 = $x ?? $y ?? $z; echo $result2 . "\n";

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0030.01016.50
8.3.50.0120.00921.89
8.3.40.0140.00718.71
8.3.30.0090.01218.64
8.3.20.0040.00420.27
8.3.10.0050.00323.65
8.3.00.0080.00020.89
8.2.180.0030.01816.63
8.2.170.0100.01019.09
8.2.160.0100.01022.96
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0030.00621.05
8.2.120.0030.00526.35
8.2.110.0100.00019.21
8.2.100.0110.00017.80
8.2.90.0040.00419.02
8.2.80.0040.00417.97
8.2.70.0090.00017.50
8.2.60.0060.00317.93
8.2.50.0000.00818.07
8.2.40.0030.00522.33
8.2.30.0040.00420.52
8.2.20.0040.00417.66
8.2.10.0070.00017.98
8.2.00.0000.00718.01
8.1.280.0120.00425.92
8.1.270.0100.00720.24
8.1.260.0000.00728.09
8.1.250.0080.00028.09
8.1.240.0060.00319.20
8.1.230.0040.00819.22
8.1.220.0080.00017.74
8.1.210.0050.00318.77
8.1.200.0000.00817.35
8.1.190.0050.00317.13
8.1.180.0000.00818.10
8.1.170.0000.00818.46
8.1.160.0050.00220.66
8.1.150.0050.00218.87
8.1.140.0040.00419.52
8.1.130.0070.00017.67
8.1.120.0040.00417.51
8.1.110.0030.00617.43
8.1.100.0040.00417.36
8.1.90.0040.00417.35
8.1.80.0000.00817.42
8.1.70.0000.00717.41
8.1.60.0050.00317.46
8.1.50.0000.00817.49
8.1.40.0040.00417.42
8.1.30.0000.00817.59
8.1.20.0000.00817.64
8.1.10.0040.00417.49
8.1.00.0000.00717.41
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0040.00418.44
8.0.270.0070.00017.14
8.0.260.0000.00617.16
8.0.250.0000.00716.84
8.0.240.0040.00416.81
8.0.230.0060.00016.96
8.0.220.0000.00816.90
8.0.210.0000.00816.84
8.0.200.0000.00716.96
8.0.190.0040.00416.92
8.0.180.0000.00716.91
8.0.170.0030.00516.92
8.0.160.0070.00016.79
8.0.150.0030.00316.85
8.0.140.0000.01116.71
8.0.130.0000.00613.31
8.0.120.0030.00516.89
8.0.110.0040.00416.78
8.0.100.0070.00016.88
8.0.90.0040.00416.83
8.0.80.0030.01316.79
8.0.70.0040.00416.76
8.0.60.0040.00416.91
8.0.50.0040.00416.91
8.0.30.0110.00717.17
8.0.20.0120.00617.40
8.0.10.0000.00717.09
8.0.00.0090.01116.88
7.4.330.0000.00516.74
7.4.320.0000.00616.51
7.4.300.0000.00616.50
7.4.290.0060.00016.53
7.4.280.0070.00016.53
7.4.270.0000.00816.54
7.4.260.0040.00416.59
7.4.250.0090.00016.37
7.4.240.0050.00216.44
7.4.230.0000.00716.55
7.4.220.0100.01716.27
7.4.210.0070.00916.42
7.4.200.0040.00416.40
7.4.160.0090.00616.49
7.4.150.0090.00917.40
7.4.140.0140.00917.86
7.4.130.0090.00816.61
7.4.120.0050.01316.46
7.4.110.0230.02716.27
7.4.100.0190.00316.32
7.4.90.0070.01116.61
7.4.80.0100.00719.39
7.4.70.0110.00616.48
7.4.60.0100.00716.63
7.4.50.0110.00416.25
7.4.40.0080.00816.46
7.4.30.0090.00916.34
7.4.00.0120.00314.75
7.3.330.0030.00213.17
7.3.320.0060.00313.07
7.3.310.0070.00016.25
7.3.300.0000.00716.14
7.3.290.0030.00316.17
7.3.280.0090.00716.17
7.3.270.0100.00717.40
7.3.260.0130.00316.25
7.3.250.0100.00716.16
7.3.240.0120.00716.26
7.3.230.0200.00416.39
7.3.210.0100.00716.51
7.3.200.0000.01716.26
7.3.190.0090.00916.16
7.3.180.0070.01016.38
7.3.170.0100.01016.31
7.3.160.0060.01016.25
7.2.330.0070.01116.72
7.2.320.0030.01316.77
7.2.310.0130.00316.61
7.2.300.0160.00616.57
7.2.290.0130.00316.62
7.2.60.0040.01116.76
7.2.00.0000.01219.44
7.1.200.0080.00415.36
7.1.100.0030.01017.95
7.1.70.0000.00716.91
7.1.60.0120.01219.52
7.1.50.0090.01216.94
7.1.00.0030.07722.27
7.0.200.0030.00516.77
7.0.60.0170.07719.82
7.0.50.0030.06017.83
7.0.40.0070.05720.20
7.0.30.0370.07020.14
7.0.20.0270.07020.33
7.0.10.0030.09020.09
7.0.00.0030.05320.04
5.6.280.0000.03321.13
5.6.210.0130.05320.60
5.6.200.0000.07718.21
5.6.190.0030.06320.55
5.6.180.0230.05320.41
5.6.170.0270.08020.50
5.6.160.0030.05020.71
5.6.150.0030.04018.27
5.6.140.0070.03718.28
5.6.130.0070.08318.15
5.6.120.0030.05720.98
5.6.110.0130.07021.04
5.6.100.0100.07320.95
5.6.90.0030.04720.96
5.6.80.0070.08020.52
5.5.350.2570.03320.53
5.5.340.0100.07717.94
5.5.330.0000.06720.28
5.5.320.0570.07320.28
5.5.310.0270.03720.23
5.5.300.0100.07718.07
5.5.290.0130.07018.03
5.5.280.0100.05720.73
5.5.270.0070.09320.95
5.5.260.0100.07320.97
5.5.250.0070.08020.49
5.5.240.3430.03320.11

preferences:
51.73 ms | 401 KiB | 5 Q